How many movies have Mayumi Tanaka and Yuji Mukoyama collaborated on?

They have worked on 2 movies together! Their first movie together was Arion (1986) while their highest rated movie together was One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom (2008). They have not worked together since One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom (2008).